Study guide · 7.4
Understand file security
File security controls who can open a file and what they can do with it. Passwords protect confidential files, and editing restrictions stop unwanted changes while still letting people read.
A study feature written by ExamDragon, not part of the real exam. Each heading is one of Certiport's skills for this objective.
7.4.1Identify password protection file options
- Password to open: the file is encrypted and cannot be viewed without the password.
- Password to modify: anyone can open the file read-only, but only people with the password can save changes.
- In most office apps these options are under File > Info > Protect, or in the save options when you save the file.
- PDF tools and archive tools (such as ZIP with AES encryption) can also require a password.
- Cloud files are usually protected by account sign-in and sharing permissions rather than a file password; links can be restricted to specific people or set to expire.
Example: A manager saves a staff review with a password to open, and shares a public policy document with only a password to modify.
7.4.2Explain editing restrictions
- Editing restrictions limit what others can change in a document, even when they can open it.
- Options include read-only, allowing only comments, allowing only tracked changes, or allowing only form filling.
- Spreadsheets can protect a sheet or workbook so that only unlocked cells can be edited, or the structure cannot be changed.
- Marking a document as final signals that it is complete, but readers can turn editing back on; it is not real protection.
- Shared cloud files use permission levels: viewer, commenter or editor.
Example: A teacher protects a worksheet so students can type only in the answer cells, and the formulas stay locked.
Key terms
- Password to open
- A password required before a file can be viewed.
- Password to modify
- A password required to save changes; others can open the file read-only.
- Editing restrictions
- Settings that limit what kinds of changes others can make.
- Sheet protection
- A spreadsheet setting that locks cells or structure from editing.
- Mark as final
- A label telling readers a document is finished; it does not secure it.
Easy to confuse
- Mark as final and read-only discourage editing but do not secure a file.
- Sheet protection without a password can be removed by anyone.
- Sending the file and its password in the same message defeats the protection.
After this guide: You can choose the right password option for a file and explain how editing restrictions control changes.